To be obliged or required by morality, law, or custom.
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1. I told him that I must go. (³ª´Â ±×¿¡°Ô ³»°¡ °¡¾ß ÇÑ´Ù°í ¸»Çß´Ù) 2. I must say, you look very handsome today. (³Ê ¿À´Ã Á¤¸» ¸ÚÁö°Ô º¸ÀδÙ) 3. You must know this! -> Must I? (´ç½ÅÀº ÀÌ°ÍÀ» Ʋ¸²¾øÀÌ ¾Ë°í ÀÖÀ» Å×Áö -> Á¦°¡¿ä) 4. What a sight it must have been! (Ʋ¸²¾øÀÌ Àå°üÀ̾úÀ» °ÍÀÌ´Ù) 5. That man must have stolen it! (±× »ç¶÷ÀÌ ±×°ÍÀ» ÈÉÃÆÀ½¿¡ Ʋ¸²¾ø´Ù)